Fatigue-warning system

Abstract

The present invention discloses a fatigue-warning system, including a camera device, a sensor, a processor, and at least one warning unit. The camera device captures a facial image of a user; the sensor senses physiological information of the user; the processor receives a movement image and the physiological information and generates a drive signal; and the warning unit receives the drive signal to produce a warning signal.

What is claimed is: 
     
         1 . A fatigue-warning system, comprising:
 a camera device, configured to capture a facial image of a user;   a wearable device, disposed on a surface of the body of the user, wherein the wearable device comprises:   a sensor, configured to sense a physiological signal of the user and generate a dynamic numerical value;   a processor, configured to generate a static numerical value according to the facial image, calculate the static numerical value and the dynamic numerical value, and generate a drive signal when a sum of the static numerical value and the dynamic numerical value reaches a fatigue standard value; and   at least one warning unit, configured to receive the drive signal, generate a warning signal, and send the warning signal to the user.   
     
     
         2 . The fatigue-warning system according to  claim 1 , wherein when the static numerical value and the dynamic numerical value are added to generate a fatigue numerical value, and the fatigue numerical value reaches the fatigue standard value, the processor sets the fatigue numerical value, the static numerical value, and the dynamic numerical value to zero and recalculates the fatigue numerical value, and when the number of times that the fatigue numerical value reaches the fatigue standard value within a preset time exceeds a standard number, the processor generates the drive signal. 
     
     
         3 . The fatigue-warning system according to  claim 1 , wherein the facial image is a facial expression and a head movement of the user. 
     
     
         4 . The fatigue-warning system according to  claim 3 , wherein the facial expression comprises a closed state of eyes, whether there is a yawn, or a swing state of the head. 
     
     
         5 . The fatigue-warning system according to  claim 1 , wherein the sensor detects the pulse of the heart, or the blood flow velocity, or the number of times of hand vibrations of the user, when the pulse of the heart, or the blood flow velocity, or the number of times of hand vibrations of the user is less than a normal physiological value, the sensor generates the dynamic numerical value. 
     
     
         6 . The fatigue-warning system according to  claim 1 , wherein the processor is disposed in an electronic device and the wearable device is in signal connection with the electronic device. 
     
     
         7 . The fatigue-warning system according to  claim 6 , wherein the electronic device is a tablet computer, a notebook computer, or a desktop computer. 
     
     
         8 . The fatigue-warning system according to  claim 6 , wherein the warning unit is disposed in the electronic device or the wearable device. 
     
     
         9 . The fatigue-warning system according to  claim 1 , wherein the warning unit is a buzzer, a vibrator, or a micro electric shock unit. 
     
     
         10 . The fatigue-warning system according to  claim 6 , wherein the desktop computer comprises a separated keyboard and the camera device is disposed in the keyboard.